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Spring rate is 11.5 front and 10 for the back seems to work well.Will look at the rates and do some calculations might go up on the rate a bit see if it makes a difference.

Brakes been upgraded(4 pot calipers)had to modify the rims to fit the brakes, suspention been upgraded (skunk 2 pro c coilovers and megan racing stabaliser bars and camber plates and toe adjusters ), wing on the bootlet, only thing still standard on the car is the driver,the pistons, head,block...

Hi Briansol have done weight reduction down to 936 kg, LS diff installed , gear ratio ok getting into 6th gear. The maximum I can go is 2150 cc before we get bumped up a class, so it will be an 89mm bore with a 86 stroke witch should give me about 2140 cc. Want to bump up the compression to...

Here is the obd1 conversion to obd2 Hope this helps

Hi chadscrx you need to look at your pinout configuration on the obd1 and mach the output of the trigger wire to the pin position.

Hi Cafrog the motor is still stock.Fn2 Displacement is 1998 cc Compression is 11:1 Limmit at 8500 rpm Running a skunk2 pro c shock with megan racing sway bars, stifners, camber plates, got the car to handle better at 2 degree caster but need to get it to at least 4,5 degrees, dumping the megan...

Hi guys anyone build a strong k20z4 normal aspirated motor that can last(racing purpose).Need some suggestions. Have calford cams in mind with titanium retainers double valve springs, a fully forged motor(still looking at rods and pistons) not exceeding 2150 cc, have upgraded the oil pump...

Hi Briansol sorry , yes it's the upper Y camber plate, I saw it the same as from the driver side looking out the windscreen for left and right , but like I explained when installing them as indicated left to left and right to right I had 0 degree caster .

Hi guys installed the megan racing wishbones with skunk2 coilovers.Now comes the question: The wishbones come marked left and right ,witch side is left and witch side is right.Now the problem, if from inside the car with the steering on the right the wishbone marked left installed left and the...

Sorry guys yes the throttle's are from the E46 BM trouble u, having a look at the M5 throttle's for the B series as well, might work with a few mods. The throttle size 52mm not the ideal size (54 mm -60mm would work better ) but more interested in the lenth of the throttle's make a big...

Will post some pics as soon as I get the adaptor plate done with the right angle, the linkages are standard as used in the BMW's the bigest tric is getting the injector angle right to spray direct into the valve chamber.

We pay 3400 dollars for a k20z4 motor our side with 25000 km on it, 400-900 dollars I'd buy 2 as spares

The M3 throttle's are 52mm

Will have to fabricate an adaptor plate and reposition the tps just need to get the injector angle corect with the valves.The intakes ports are almost identical will have to drill, tap and stud for the M3 throttle's on the adaptor plate.IAVC not a problem.

Hi guys looking at installing BMW M3 throttle's on a k20z4 motor, just wanted to find out if anyone has atempted something like it. Installed electric water pump (tyred of replacing head gaskets every time the altinator belt comes off and the car overheats) on k20 some tunning and 138wkw 276nm...

O before I forget I used a b series map sensor on the k20z4 motor and it worked.

Problem solved map sensor faulty even after testing the dam thing and the voltage being 2.5volts at atmospheric pressure and decresing under vacuum, can you believe it. :) :)

Hi Cafrog, looks like the map is a problem , changed it with my scoobs and it splutters on high rpm but starts easier should be finished tonight just need to do some tweeks.K parts are hard to come by my side, payd a 1200 dollars for a crank and new flywheel.

Hi guys have recently done a k swop in my honda civic ran strong until the altinator belt jumped off ,car over heated.Installed an electric water pump car gained kw and torque, having problems with the k-motor and ecu. Running obd2c hondata k pro ecu, have traced pinouts on ecu for map censor...